Finding the Fourth Proportional to 1,409.94, 1,945.74 and 850.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.94 : 1,945.74 = 850.62 : x
2. Step 2: Convert to fraction form
   1,409.94/1,945.74 = 850.62/x
3. Step 3: Cross multiply
   1,409.94x = 1,945.74 × 850.62
4. Step 4: Simplify right side
   1,409.94x = 1,655,085.36
5. Step 5: Solve for x
   x = 1,655,085.36/1,409.94
6. Step 6: Final answer
   x = 1,173.87